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Figure 1: The redshift ( right), and r-band absolute magnitude distributions ( left), for the 91566 galaxies in our sample. The absolute magnitude corresponding to the upper redshift limit (z = 0.095) is Mr=-20.0. |
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Figure 2: Left panel: the (u - r) color distribution for all the galaxies in our sample. Central panel: the (u - r) color distribution for galaxies having less than 4 neighbours (corresponding to 10th percentile) compared with the distribution of galaxies having more than 59 neighbours (corresponding to 90th percentile) within 5 Mpc. Right panel: the (u - r) color distribution for galaxies brighter and fainter than Mr = -20.7. |
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Figure 3: (u - r) color distribution for galaxies in different environments. |
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Figure 4:
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Figure 5: Top panels: comparison of the color distribution for galaxies having a number of neighbours lesser than the 25th percentile with the color distribution for galaxies having a number of neighbours larger than the 75th percentile. Bottom panels: comparison of the color distribution for galaxies having a number of neighbours lower than the 5th percentile with the color distribution for galaxies having a number of neighbours greater than the 95th percentile. In both panels, the luminosity decreases from left to right. |
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Figure 6: (u - r) color distribution for different environment (N is the number of neighbours within 5 Mpc) and for different morphological types. |
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Figure 7: (u - r) color distribution for galaxies having different luminosities and different morphological types. |
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Figure 8: The (u - r) color distribution for early- and late-type galaxies spectroscopically selected by using the presence of emission lines in the spectra and the FracDevr and Eclass parameters as in Bernardi et al. (2005). The two distributions are in good agreement. |
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